11-733 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm YAG-BBAR 500-1100nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 40 mm
- EFL
- 200 mm
- R1
- 124.12 mm
- R2
- -87.26 mm
Material 1
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5185223876207927
- λ
- 550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
Material 2
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771143911586193
- λ
- 550 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
11-733 40 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm YAG-BBAR 500-1100nm
This is a high-quality achromatic doublet lens from Edmund Optics, catalog number 11-733. The lens is designed with a base shape of a circle and has a diameter of 40 mm. The edge thickness of the lens is 10.09 mm, while the inner and outer radii are 0 mm each. The effective focal length (EFL) of this lens is 200 mm, making it suitable for a wide range of optical applications.
The lens is composed of two types of materials: N-BK7 from Schott and N-SF5 from Schott. This combination helps to correct chromatic aberration, a common issue in optical systems. The lens is coated with YAG-BBAR, which provides excellent transmission in the spectral range of 500-1100 nm.
The geometry of the lens includes a center thickness of 8.5 mm and a center thickness 'a' of 4 mm. The first radius of curvature (r1) is 124.12 mm, and the second radius of curvature (r2) is -87.26 mm. The third radius of curvature (r3) is -253.1 mm.
The lens is available for purchase from the Edmund Optics website, and the link provided is valid and indicates that the lens is in stock. This makes it a readily available option for those in need of a high-performance achromatic doublet lens.
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